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Fig. 2 | BMC Musculoskeletal Disorders

Fig. 2

From: Preoperative prediction of sagittal imbalance in kyphosis secondary to ankylosing spondylitis after one-level three-column osteotomy

Fig. 2

Receiver-operating characteristic (ROC) curve for determining the cutoff point of the preoperative TPA (a), preoperative PI-LL (b), preoperative SVA (c) and postoperative SVA (d), with an area under the curve (AUC), a sensitivity and a false-positive rate (1-specificity). TPA, T1 pelvic angle; PI-LL, PI minus LL value; SVA, sagittal vertical axis

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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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